public class Application {
	public static void main(String args[]) {
	MobileTelephone telephone = new MobileTelephone ();
	SIM sim=new SIMOfChinaMobile();
	sim.setNumber("13887656432");
	telephone.useSIM(sim);
	telephone.showMess();
	sim=new SIMOfChinaUnicom();
	sim.setNumber("13097656437");
	telephone.useSIM(sim);
	telephone.showMess();
	}
}
